| 巴豆提取物对玉米象的生物活性 |
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| 引用本文： | 姚英娟,薛东,杨长举,谢令德,舒在习.巴豆提取物对玉米象的生物活性[J].昆虫知识,2006,43(1):64-67. |
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| 作者姓名： | 姚英娟 薛东 杨长举 谢令德 舒在习 |
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| 作者单位： | 1. 华中农业大学城市有害生物防治研究所,武汉,430070
2. 武汉工业学院,武汉,430023 |
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| 基金项目： | 国家科技部“十五”重点科技攻关项目(2004BA523B03-02)。 |
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| 摘 要： | 研究了巴豆(Croton tigliumL.)4种溶剂提取物对玉米象Sitophilus zeamais(Motschulsky)成虫的驱避作用和触杀作用。结果表明:巴豆的4种溶剂提取物对玉米象Sitophilus zeamais(Mostchulsky)成虫均有很好的触杀作用,7.86 mg/cm2的浓度处理后,4 d后的校正死亡率均达到100%。巴豆的4种溶剂提取物对玉米象成虫没有明显的驱避作用。
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| 关 键 词： | 巴豆 玉米象 驱避作用 触杀作用 |
| 收稿时间： | 01 13 2005 12:00AM |
| 修稿时间： | 2005-01-132005-03-01 |
Bioactivities of extracts from Croton tiglium against Sitophilus zeamais |
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| YAO Ying-Juan,XUE Dong,YANG Chang-Ju,XIE Ling-De,SHU Zai-Xi.Bioactivities of extracts from Croton tiglium against Sitophilus zeamais[J].Entomological Knowledge,2006,43(1):64-67. |
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| Authors: | YAO Ying-Juan XUE Dong YANG Chang-Ju XIE Ling-De SHU Zai-Xi |
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| Institution: | 1. Institute of Urban Pest Control, Huazhong Agriculture University, Wuhan,430070, China; 2. Wuhan Polytechnic University, Wuhan 430023, China |
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| Abstract: | The repellent and contact action of the extracts of Croton tiglium L.to adults of Sitophilus zeamais was studied.The results showed that these extracts had good contact action to the adults.The corrected mortality of all four extracts was 100% four days after treatment.The LC-(50) was 1.76,1.36,1.69 and 1.68 mg/cm~2 for the extract by ethanol,acetone,ethyl acetate and petroleum ether,respectively.The extracts had no obvious repellent action to adults. |
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| Keywords: | Croton tiglium L Sitophilus zeamais(Motschulsky) repellent action contact action |
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